package org.apache.lucene.index;

/**
 * Copyright 2007 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.Comparator;

/**
 * Compares {@link org.apache.lucene.index.TermVectorEntry}s first by frequency
 * and then by the term (case-sensitive)
 * 
 */
public class TermVectorEntryFreqSortedComparator implements Comparator {
	public int compare(Object object, Object object1) {
		int result = 0;
		TermVectorEntry entry = (TermVectorEntry) object;
		TermVectorEntry entry1 = (TermVectorEntry) object1;
		result = entry1.getFrequency() - entry.getFrequency();
		if (result == 0) {
			result = entry.getTerm().compareTo(entry1.getTerm());
			if (result == 0) {
				result = entry.getField().compareTo(entry1.getField());
			}
		}
		return result;
	}
}
